+45.91875, -108.23791
45°55'07" N, 108°14'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OLD HWY 312 over CUSTER COULEE 171
Structure number:L56788016+01001
Location:2M E HUNTLEY
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:24.9 ft. [7.6 m]
Total length:26.9 ft. [8.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:State Highway Agency [01]
Year built:1928
Year reconstructed:1939
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,790 [as of 2015]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:33.1 tons [30.1 metric tons]
Inventory rating:18.0 tons [16.4 metric tons]
Sufficiency rating:43.5

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201743.5FairSatisfactorySatisfactoryFair-2790
January 201565.0FairSatisfactorySatisfactoryFair-100
January 201365.0FairSatisfactorySatisfactoryFair-100
January 201167.0FairSatisfactoryGoodFair-100
January 200967.0FairSatisfactoryGoodFair-100
January 200767.0FairSatisfactoryGoodFair-100
January 200577.0FairSatisfactoryGoodSatisfactory-100
January 200477.0FairVery GoodGoodSatisfactory-100
March 200277.0FairSatisfactoryGoodSatisfactory-100
April 200077.0FairSatisfactoryGoodSatisfactory-100
March 199890.2FairSatisfactoryGoodSatisfactory-100
March 199689.2FairGoodGoodSatisfactory-100
February 199488.9FairGoodGoodSatisfactory-252
February 199284.3FairVery GoodVery GoodSatisfactory-252
May 199084.3FairVery GoodVery GoodSatisfactory-252